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69013541 is a prime number
BaseRepresentation
bin1000001110100…
…01000000100101
311210212020210002
410013101000211
5120131413131
610503111045
71465414442
oct407210045
9153766702
1069013541
1135a57993
121b142485
13113b481c
1492469c9
1560d36cb
hex41d1025

69013541 has 2 divisors, whose sum is σ = 69013542. Its totient is φ = 69013540.

The previous prime is 69013517. The next prime is 69013559. The reversal of 69013541 is 14531096.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64480900 + 4532641 = 8030^2 + 2129^2 .

It is a cyclic number.

It is not a de Polignac number, because 69013541 - 214 = 68997157 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69013741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34506770 + 34506771.

It is an arithmetic number, because the mean of its divisors is an integer number (34506771).

Almost surely, 269013541 is an apocalyptic number.

It is an amenable number.

69013541 is a deficient number, since it is larger than the sum of its proper divisors (1).

69013541 is an equidigital number, since it uses as much as digits as its factorization.

69013541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 69013541 is about 8307.4388953516. The cubic root of 69013541 is about 410.1834217971.

The spelling of 69013541 in words is "sixty-nine million, thirteen thousand, five hundred forty-one".